Introducing our 500ml Innovation Design Vacuum Stainless Steel Beer Mug with Opener, a must-have for beer enthusiasts! This high-quality mug is skillfully crafted in our factory, ensuring durability and longevity. The vacuum insulation feature maintains the optimal temperature of your brew for hours. With a convenient opener integrated into the mug, you can effortlessly pop open your favorite bottle. Its sleek design combined with stainless steel construction guarantees a stylish and functional addition to your barware collection. Indulge in the ultimate beer-drinking experience with our factory-made masterpiece!